Change you mind as you may, I am determined to carry it through to the end.
Try as he does,he never seems able to the work beautifully.
Tired as he was，we decided to disturb him.
Tired as he was, we decided not to disturb him.
Tired as they were, they went to bed as soon as they came back.
Unaccustomed as I am to public speaking , I beg your indulgence for my few inelegant works.
Fail though I did ,I would not abandon my goal.
Fool that he was,he managed to evade his pursuers.
Colossal as are the difficulties before us, we are fully confident in surmounting them.
colossal adj. 巨大的